11662240

素因数分解:

$2^5\times 5^1\times {\mathrm{72889}}^1$

素因数の和:72904

約数の個数: 24

約数和(自身を含む): 27552420

約数和(自身を除く): 15890180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 72889, 145778, 291556, 364445, 583112, 728890, 1166224, 1457780, 2332448, 2915560, 5831120, 11662240]

約数ペア:

[(1, 11662240), (2, 5831120), (4, 2915560), (5, 2332448), (8, 1457780), (10, 1166224), (16, 728890), (20, 583112), (32, 364445), (40, 291556), (80, 145778), (160, 72889)]